/* 网站样式统一定义 */
html {
    font-size: 62.5%;
}
body {
    font-size: 1.4rem;
    --site-width: 100%;
}
h1,h2,h3,h4,h5,h6,ul,p,figure {
    margin: 0;
    padding: 0;
}
li {
    list-style-type: none;
}
a {
    text-decoration: none;
}
a:hover {
    color: #17a48b;
}
.fl {
    float: left;
}

/* 自适应父容器大小 */
img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
}

/* 页面容器宽度定义 */
header,
nav,
main,
footer {
  width: calc(var(--site-width));
  margin: 0 auto;
}

/* 页面头部 */
header {
    min-width: max-content;
}
.header_div1 {
    width: 100%;
    height: 3.5rem;
    line-height: 3.5rem;
    font-size: 1.2rem;
    background: #f8f8f8;
    border-bottom: 1px solid #f0f0f0;
}
.header_p {
    width: 100rem;
    margin: 0 auto;
    padding: 0 1rem;
    color: #999;
}
.logo {
    display: flex;
    width: 100rem;
    margin: 0 auto;
    padding: 0 1rem;
    align-items: center;
    justify-content: space-between;
}
.logo_h1 {
    margin-top: 2rem;
    margin-bottom: 0.6rem;
}
.search {
    display: flex;
    width: 29rem;
    height: 3rem;
    margin-top: 5.4rem;
}
.search input:first-of-type {
    width: 19.6rem;
    color: #ccc;
    font-size: 1.2rem;
    height: 2.6rem;
    line-height: 2.6rem;
    background: url(../images/search-fdj.jpg) no-repeat left top;
    padding-left: 3.6rem;
    border: 1px solid #dddddd;
    border-right: 0;
}
.search-btn {
    width: 5.7rem;
    height: 3rem;
}

/* 页面导航 */
.menu {
    width: 100rem;
    height: 4.6rem;
    margin: 0 auto;
}
nav {
    width: 100%;
    background: #17a48b;
    min-width: max-content;
}
nav ul {
    display: flex;
    align-items: center;
    flex:0 1 10%;
    justify-content: space-around;
}
 nav a {
    color: #fff;
    display: block;
    text-align: center;
    height: 4.4rem;
    line-height: 4.4rem;
    overflow: hidden;
}
nav li > a{
    font-size: 1.5rem;
}
nav .a1 {
    color: #fff;
    background-color: #17a48b;
}
nav li:hover > a {
    color: #fff;
    background-color: #119d84;
}

/* 二级导航菜单 */
nav .sub_menu {
    display: none;
    position: absolute;
    
}
nav li:hover .sub_menu {
    display: flex;
    flex-direction: column;   
    align-items: stretch;
    background-color: #119d84;
    width: calc(100rem / 5.6);
    z-index: 999;
}
nav ul.sub_menu a {
    color: #fff;
    font-size: unset;
}
nav ul.sub_menu li:hover > a {
    background-color: #1a8875;
}

/* 页面主体 */
/* 宣传图轮播 */
.banner {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 30rem;
    margin-bottom: 2rem;
}
.banner .banner_list {
    flex:0 0 100rem;
    display: flex;
    height: 30rem;
    max-width: 100rem;
    overflow: hidden;
}
.banner figure {
    flex: 0 0 100vw;
    max-width: 100%;
    height: 30rem;
    display: flex;
    flex-direction: column;
}
.banner img {
    height: 30rem;
}
.banner_btn {
    height: 4.1rem;
    margin-top: 13rem;
    position: absolute;
    display: block;
}
.banner_btn .left_btn {
    background: url(../images/back-left.png) no-repeat;
    float: left;
    margin-left: 0;
    z-index: 999;
}
.banner_btn .right_btn {
    background: url(../images/back-right.png) no-repeat;
    float: left;
    margin-left: 88rem;
    z-index: 999;
}
.banner_btn span {
    width: 60px;
    height: 70px;
    cursor: pointer;
    opacity: 0.7;
    position: relative;
}

/* 学院新闻&轮播新闻&通知公告 */
/* 学院新闻&通知公告标题 */
.t header {
    display: flex;
    align-items: center;
    border-bottom: 1px  solid #eee;
    height: 3.3rem;
}
.t header h3 {
    border-bottom: 2px solid #ffb700;
    padding: 0 5px;
    padding-bottom: 8px;
    font-size: 2rem;
    line-height: 2.4rem;
}
.t header a {
    margin-left: auto;
    font-size: 1.2rem;
    color: #999;
    line-height: 2.4rem;
}
.t header a:hover {
    color: #17a48b;
}
.container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    height: 38.4rem;
    width: 102rem;
    margin: 0 auto 2rem;
}

/* 学院新闻内容 */
.container section:nth-of-type(1) {
    flex: 0 0 32rem;
    margin: 0 1rem;
}
.container section:nth-of-type(1) li {
    height: 4.5rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid #eee;
}
.container section:nth-of-type(1) li a {
    color: #333;
    height: 2.4rem;
    line-height: 2.4rem;
}
.container section:nth-of-type(1) li a:hover {
    color: #17a48b;
}
.container section:nth-of-type(1) li .date {
    width: 6.2rem;
    height: 4.5rem;
    text-align: center;
    margin-right: 12px;
    background: url(../images/date.jpg) no-repeat;
}
.container section:nth-of-type(1) li span:nth-of-type(1) {
    display: block;
    width: 100%;
    height: 2.7rem;
    line-height: 2.7rem;
    font-size: 1.8rem;
    color: #fff;
    text-align: center;
}
.container section:nth-of-type(1) li span:nth-of-type(2) {
    display: block;
    width: 100%;
    height: 1.8rem;
    line-height: 1.8rem;
    font-size: 1.2rem;
    color: #999;
    text-align: center;
}

/* 轮播新闻内容 */
.container section:nth-of-type(2) {
    display: flex;
    overflow: hidden;
    width: 32rem;
    height: 25rem;
    margin-left: 1rem;
    margin-right: 1rem;
    margin-top: 7rem;
}
.container section:nth-of-type(2) .news_list {
    flex: 0 0 32rem;
    display: flex;
    height: 18rem;
    max-width: 32rem;
}
.container section:nth-of-type(2) figure {
    flex: 1 0 100vw;
    max-width: 100%;
    display: flex;
    flex-direction: column;
}
.container section:nth-of-type(2) figure img {
    max-height: 18rem;
}
.container section:nth-of-type(2) figure figcaption {
    font-size: 1.2rem;
    height: 3rem;
    line-height: 3rem;
    background-color: #000;
    margin-top: -3rem;
    opacity: 0.4;
    z-index: 1;
}
.container section:nth-of-type(2) figure figcaption p {
    color: #fff;
    font-size: 1.2rem;
    margin-left: 1rem;
    width: 20rem;
    line-height: 3rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    z-index: 2;
}
.container section:nth-of-type(2) figure figcaption div {
    width: 4.4rem;
    margin-top: -3rem;
    margin-left: 25.5rem;
    
}
.container section:nth-of-type(2) figure figcaption span {
    width: 0.6rem;
    height: 0.6rem;
    line-height: 0.6rem;
    margin-top: 1.2rem;
    margin-left: 0.5rem;
    float: left;
    background: url(../images/white-point.png) no-repeat;
}
.container section:nth-of-type(2) figure figcaption span:hover {
    background: url(../images/green-point.png) no-repeat;
}

/* 通知公告内容 */
.container section:nth-of-type(3) {
    flex: 0 0 32rem;
    margin: 0 1rem;
}
.container section:nth-of-type(3) li {
    height: 4.5rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid #eee;
}
.container section:nth-of-type(3) li a {
    color: #333;
    height: 2.4rem;
    line-height: 2.4rem;
}
.container section:nth-of-type(3) li a:hover {
    color: #17a48b;
}
.container section:nth-of-type(3) li .date {
    width: 6.2rem;
    height: 4.5rem;
    text-align: center;
    margin-right: 12px;
    background: url(../images/date.jpg) no-repeat;
}
.container section:nth-of-type(3) li span:nth-of-type(1) {
    display: block;
    width: 100%;
    height: 2.7rem;
    line-height: 2.7rem;
    font-size: 1.8rem;
    color: #fff;
    text-align: center;
}
.container section:nth-of-type(3) li span:nth-of-type(2) {
    display: block;
    width: 100%;
    height: 1.8rem;
    line-height: 1.8rem;
    font-size: 1.2rem;
    color: #999;
    text-align: center;
}

/* 校友风采 */
/* 校友风采标题 */
.t2 header {
    display: flex;
    align-items: center;
    border-bottom: 1px  solid #eee;
    height: 3.3rem;
}
.t2 header h3 {
    padding-bottom: 8px;
    font-size: 2rem;
    line-height: 2.4rem;
}
.t2 header a {
    margin-left: auto;
    font-size: 1.2rem;
    color: #999;
    line-height: 2.4rem;
}
.t2 header a:hover {
    color: #17a48b;
}
.people {
    width: 100rem;
    margin: 0 auto;
}

/* 校友风采内容 */
.people .people_list{
    display: flex;
    overflow: hidden;
    width: 100rem;
    height: 22.6rem;
    margin-top: 1.5rem;
    margin-bottom: 2.5rem;
}
.people .people_list figure {
    width: 33.2rem;
    height: 22.6rem;
    padding-left: 1px;
    padding-right: 1px;
    flex: 0 0 33.2rem;
    display: flex;
    max-width: 100%;
    flex-direction: column;
}
.people .people_list figure img {
    width: 33rem;
    height: 20rem;
    background: #f5f5f5;
    border: 1px solid #e3e3e3;
}
.people .people_list figure p {
    color: #222222;
    font-size: 9pt;
    line-height: 200%;
    text-align: center;
    text-decoration: none;
}

/* 欢迎标语 */
.picture {
    width: 100rem;
    margin: 0 auto 2rem;
}
.picture img {
    width: 100rem;
}

/* 友情链接 */
.help_link {
    width: 100rem;
    margin: 0 auto;
    margin-top: -2.2rem;
}
.help_link ul {
    display: flex;
    justify-content: flex-start;
    overflow: hidden;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}
.help_link li {
    flex: 0 0 12rem;
    text-align: center;
    margin: 0 1rem 1rem 0;
}
.help_link li:nth-of-type(1) {
    flex: 0 0 12rem;
    text-align: left;
    margin: 0 1rem 1rem 0;
}
.help_link li a {
    color: #666666;
}
.help_link li a:hover {
    color: #17a48b;
}

/* 页面底部 */
footer {
    width: 100%;
    height: 9.5rem;
    background-color: #333;
    padding-top: 2rem;
    text-align: center;
    align-items: center;
    justify-content: center;
    color: rgb(255, 255, 255);
    font-size: 1.4rem;
    margin: auto;
}

